Home / 1,089,773.07-1,634,721.02-331,639.20

Finding the Fourth Proportional to 1,089,773.07, 1,634,721.02 and 331,639.20

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Solution

The fourth proportional to 1,089,773.07, 1,634,721.02 and 331,639.20 is: 497,477.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,773.07 : 1,634,721.02 = 331,639.20 : x
  2. Step 2: Convert to fraction form
    1,089,773.07/1,634,721.02 = 331,639.20/x
  3. Step 3: Cross multiply
    1,089,773.07x = 1,634,721.02 × 331,639.20
  4. Step 4: Simplify right side
    1,089,773.07x = 542,137,569,637.79
  5. Step 5: Solve for x
    x = 542,137,569,637.79/1,089,773.07
  6. Step 6: Final answer
    x = 497,477.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.